CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 200,003	$ 178,144	$ 136,089
Other comprehensive income/(loss):
Net unrealized gains/(losses) on available-for-sale securities	59,640	(137,506)	8,867
Net changes in held-to-maturity securities	(31,750)	259	(8,451)
Net unrealized (losses)/gains on cash flow hedges	(14,348)	68,012	22,084
Other comprehensive income/(loss) before tax	13,542	(69,235)	22,500
Income tax (expense)/benefit related to other comprehensive income/(loss)	(2,844)	14,539	(4,724)
Other comprehensive income/(loss) net of tax	10,698	(54,696)	17,776
Comprehensive income	$ 210,701	$ 123,448	$ 153,865